Torque Control Part 16 doc

This paper provides a new direction in the application of adaptive controller design for a synchronous reluctance motor drive system.. H.: ‘Rotor design on torque ripple reduction for a

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6 Future trends

In this chapter, by using the torque control, a closed-loop sensorless speed drive system has

been implemented The proposed system can be operated from 30 r/min to 2000 r/min with

satisfactory performance Unfortunately, the proposed system cannot be operated from

standstill to 30 r/min As a result, it is necessary in the future to continuously improve the

controller design, hardware design, and software design to reduce the torque pulsations and

then provide better performance in low-speed operating range In addition, it is another aim

to realize a closed-loop high performance position control system by using a torque control

method

7 Conclusions

In this chapter, two different adaptive controllers have been proposed for a synchronous

reluctance motor drive system The parameters of the controllers are on-line tuned The

adaptive backstepping controller has simple control algorithm It is more easily

implemented than the model reference adaptive controller is On the other hand, the model

reference adaptive controller performs better in transient responses and steady-state

characteristics A digital signal process is used to execute the control algorithm As a result,

the hardware circuit is very simple The implemented system shows good transient

responses, load disturbance responses, and tracking ability in triangular and sinusoidal

commands This paper provides a new direction in the application of adaptive controller

design for a synchronous reluctance motor drive system

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